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Finding the Fourth Proportional to 297.73, 446.39 and 102.68

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Solution

The fourth proportional to 297.73, 446.39 and 102.68 is: 153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.73 : 446.39 = 102.68 : x
  2. Step 2: Convert to fraction form
    297.73/446.39 = 102.68/x
  3. Step 3: Cross multiply
    297.73x = 446.39 × 102.68
  4. Step 4: Simplify right side
    297.73x = 45,835.33
  5. Step 5: Solve for x
    x = 45,835.33/297.73
  6. Step 6: Final answer
    x = 153.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.